Publications

Preprints

Multi-qubit gates and ‘Schrödinger cat’ states in an optical clock
A. Cao, W. J. Eckner, T. Lukin Yelin, A. W. Young, S. Jandura, L. Yan, K. Kim, G. Pupillo, J. Ye, N. Darkwah Oppong, A. M. Kaufman
arXiv:2402.16289

Equation of State and Thermometry of the 2D $\mathrm{SU}(N)$ Fermi-Hubbard Model
G. Pasqualetti, O. Bettermann, N. Darkwah Oppong, E. Ibarra-Garcı́a-Padilla, S. Dasgupta, R. T. Scalettar, K. R. A. Hazzard, I. Bloch, S. Fölling
Phys. Rev. Lett. 132, 083401 (2024) (Editor’s Suggestion; Featured in Physics)

State-dependent potentials for the $^1S_0$ and $^3P_0$ clock states of neutral ytterbium atoms
T. O. Höhn^*, E. Staub^*, G. Brochier, N. Darkwah Oppong, M. Aidelsburger (^*equal contribution)
Phys. Rev. A 108, 053325 (2023)
Clock-line photoassociation of strongly bound dimers in a magic-wavelength lattice
O. Bettermann, N. Darkwah Oppong^*, G. Pasqualetti^*, L. Riegger, I. Bloch, S. Fölling (^*equal contribution)
Phys. Rev. A 108, L041302 (2023)
Realizing spin squeezing with Rydberg interactions in an optical clock
W. J. Eckner, N. Darkwah Oppong, A. Cao, A. W. Young, W. R. Milner, J. M. Robinson, J. Ye, A. M. Kaufman
Nature 621, 734 (2023)
Ab Initio Derivation of Lattice-Gauge-Theory Dynamics for Cold Gases in Optical Lattices
F. M. Surace, P. Fromholz, N. Darkwah Oppong, M. Dalmonte, M. Aidelsburger
PRX Quantum 4, 020330 (2023)

Probing Transport and Slow Relaxation in the Mass-Imbalanced Fermi-Hubbard Model
N. Darkwah Oppong, G. Pasqualetti, O. Bettermann, P. Zechmann, M. Knap, I. Bloch, S. Fölling
Phys. Rev. X 12, 031026 (2022)

Quasiparticle Lifetime of the Repulsive Fermi Polaron
H. S. Adlong, W. E. Liu, F. Scazza, M. Zaccanti, N. Darkwah Oppong, S. Fölling, M. M. Parish, J. Levinsen
Phys. Rev. Lett. 125, 133401 (2020)
Orbital ordering of ultracold alkaline-earth atoms in optical lattices
A. Sotnikov, N. Darkwah Oppong, Y. Zambrano, A. Cichy
Phys. Rev. Research 2, 023188 (2020)

Observation of Coherent Multiorbital Polarons in a Two-Dimensional Fermi Gas
N. Darkwah Oppong, L. Riegger, O. Bettermann, M. Höfer, J. Levinsen, M. M. Parish, I. Bloch, S. Fölling
Phys. Rev. Lett. 122, 193604 (2019)

Localized Magnetic Moments with Tunable Spin Exchange in a Gas of Ultracold Fermions
L. Riegger, N. Darkwah Oppong, M. Höfer, D. R. Fernandes, I. Bloch, S. Fölling
Phys. Rev. Lett. 120, 143601 (2018)

A Fermi-degenerate three-dimensional optical lattice clock
S. L. Campbell^*, R. B. Hutson^*, G. E. Marti, A. Goban, N. Darkwah Oppong, R. L. McNally, L. Sonderhouse, J. M. Robinson, W. Zhang, B. J. Bloom, J. Ye (^*equal contribution)
Science 358, 90 (2017)